[openwrt/openwrt] ath79: utilize ath9k 'nvmem-cells' on ALFA Network boards

[LEDE Commits]

pepe2k pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/53ac6ee552baca52f3f18fc95b793c03e1bf9581

commit 53ac6ee552baca52f3f18fc95b793c03e1bf9581
Author: Piotr Dymacz <pepe2k at gmail.com>
AuthorDate: Tue Feb 22 16:29:27 2022 +0100

    ath79: utilize ath9k 'nvmem-cells' on ALFA Network boards
    
    Drop custom 'mtd-cal-data' and switch to 'nvmem-cells' based solution
    for fetching radio calibration data and its MAC address.
    
    Signed-off-by: Piotr Dymacz <pepe2k at gmail.com>
---
 .../ath79/dts/ar9331_alfa-network_ap121f.dtsi      | 31 ++++++++++-------
 target/linux/ath79/dts/ar9344_alfa-network_n5q.dts | 39 +++++++++++++---------
 .../linux/ath79/dts/qca9531_alfa-network_r36a.dtsi |  9 +++--
 3 files changed, 49 insertions(+), 30 deletions(-)

diff --git a/target/linux/ath79/dts/ar9331_alfa-network_ap121f.dtsi b/target/linux/ath79/dts/ar9331_alfa-network_ap121f.dtsi
index e12205c310..2be7cdb05d 100644
--- a/target/linux/ath79/dts/ar9331_alfa-network_ap121f.dtsi
+++ b/target/linux/ath79/dts/ar9331_alfa-network_ap121f.dtsi
@@ -96,10 +96,26 @@
 				reg = <0x030000 0x010000>;
 			};
 
-			art: partition at 40000 {
+			partition at 40000 {
 				label = "art";
 				reg = <0x040000 0x010000>;
 				read-only;
+
+				compatible = "nvmem-cells";
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				cal_art_1000: cal at 1000 {
+					reg = <0x1000 0x440>;
+				};
+
+				macaddr_art_0: macaddr at 0 {
+					reg = <0x0 0x6>;
+				};
+
+				macaddr_art_1002: macaddr at 1002 {
+					reg = <0x1002 0x6>;
+				};
 			};
 
 			partition at 50000 {
@@ -122,15 +138,6 @@
 &wmac {
 	status = "okay";
 
-	mtd-cal-data = <&art 0x1000>;
-};
-
-&art {
-	compatible = "nvmem-cells";
-	#address-cells = <1>;
-	#size-cells = <1>;
-
-	macaddr_art_0: macaddr at 0 {
-		reg = <0x0 0x6>;
-	};
+	nvmem-cells = <&cal_art_1000>, <&macaddr_art_1002>;
+	nvmem-cell-names = "calibration", "mac-address";
 };
diff --git a/target/linux/ath79/dts/ar9344_alfa-network_n5q.dts b/target/linux/ath79/dts/ar9344_alfa-network_n5q.dts
index c54270a78d..ca762c3bca 100644
--- a/target/linux/ath79/dts/ar9344_alfa-network_n5q.dts
+++ b/target/linux/ath79/dts/ar9344_alfa-network_n5q.dts
@@ -131,10 +131,30 @@
 				reg = <0x060000 0x010000>;
 			};
 
-			art: partition at 70000 {
+			partition at 70000 {
 				label = "art";
 				reg = <0x070000 0x010000>;
 				read-only;
+
+				compatible = "nvmem-cells";
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				cal_art_1000: cal at 1000 {
+					reg = <0x1000 0x440>;
+				};
+
+				macaddr_art_0: macaddr at 0 {
+					reg = <0x0 0x6>;
+				};
+
+				macaddr_art_6: macaddr at 6 {
+					reg = <0x6 0x6>;
+				};
+
+				macaddr_art_1002: macaddr at 1002 {
+					reg = <0x1002 0x6>;
+				};
 			};
 
 			partition at 80000 {
@@ -149,19 +169,6 @@
 &wmac {
 	status = "okay";
 
-	mtd-cal-data = <&art 0x1000>;
-};
-
-&art {
-	compatible = "nvmem-cells";
-	#address-cells = <1>;
-	#size-cells = <1>;
-
-	macaddr_art_0: macaddr at 0 {
-		reg = <0x0 0x6>;
-	};
-
-	macaddr_art_6: macaddr at 6 {
-		reg = <0x6 0x6>;
-	};
+	nvmem-cells = <&cal_art_1000>, <&macaddr_art_1002>;
+	nvmem-cell-names = "calibration", "mac-address";
 };
diff --git a/target/linux/ath79/dts/qca9531_alfa-network_r36a.dtsi b/target/linux/ath79/dts/qca9531_alfa-network_r36a.dtsi
index 7e89605480..9704e69211 100644
--- a/target/linux/ath79/dts/qca9531_alfa-network_r36a.dtsi
+++ b/target/linux/ath79/dts/qca9531_alfa-network_r36a.dtsi
@@ -82,7 +82,7 @@
 				reg = <0x060000 0x010000>;
 			};
 
-			art: partition at 70000 {
+			partition at 70000 {
 				label = "art";
 				reg = <0x070000 0x010000>;
 				read-only;
@@ -91,6 +91,10 @@
 				#address-cells = <1>;
 				#size-cells = <1>;
 
+				cal_art_1000: cal at 1000 {
+					reg = <0x1000 0x440>;
+				};
+
 				macaddr_art_1002: macaddr at 1002 {
 					reg = <0x1002 0x6>;
 				};
@@ -124,5 +128,6 @@
 &wmac {
 	status = "okay";
 
-	mtd-cal-data = <&art 0x1000>;
+	nvmem-cells = <&cal_art_1000>, <&macaddr_art_1002>;
+	nvmem-cell-names = "calibration", "mac-address";
 };